condition mean min max 4 h after light 26.6522765 26.222232 27.082321 8 h after light 23.8214145 21.315096 26.327733 12 h after light 21.6259595 21.045252 22.206667 4 h after dark 22.477998 19.95605 24.999946 8 h after dark 23.9259025 22.206667 25.645138 12 h after dark 22.434512 22.434512 22.434512